Substituted aniline compounds

US6683213B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Gerhard Hamprecht · Weinheim, DE
• Olaf Menke · Altleiningen, DE
• Michael Puhl · Hirschberg, DE
• Robert Reinhard · Schifferstadt, DE
• Ingo Sagasser · Schifferstadt, DE
• Cyrill Zagar · Ludwigshafen, DE

Key dates

• Filing date: Sep 11, 2001
• Grant date: Jan 27, 2004
• Expiry date: Sep 11, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D405/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to substituted aniline compounds of the formula 1 in which R21, R22 and R23 have the meanings indicated in the description. The compounds according to the invention are intermediates for the preparation of herbicidally active pyridinedicarboxamide compounds.